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Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Roughneck – Residency

17th sighting in Monterey Bay
Fluke of Roughneck
Roughneck Confirmed in the catalog @25
Jul 22 – Oct 6, 2018 · Monterey Bay

Monterey Bay · Jul – Oct 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
7
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 22, 2018181 m17.0°C—
Jul 27, 201862 m15.4°C—
Sep 3, 2018108 m16.3°C—
Sep 23, 201859 m12.6°C—
Sep 23, 201853 m12.6°C—
Sep 29, 2018107 m14.7°C—
Oct 6, 201855 m16.1°C—

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jul 22, 2018 — seafloor 181 m (measured), deepest dive — (modelled)Jul 22Jul 27, 2018 — seafloor 62 m (measured), deepest dive — (modelled)Jul 27Sep 3, 2018 — seafloor 108 m (measured), deepest dive — (modelled)Sep 3Sep 23, 2018 — seafloor 59 m (measured), deepest dive — (modelled)Sep 23Sep 23, 2018 — seafloor 53 m (measured), deepest dive — (modelled)Sep 23Sep 29, 2018 — seafloor 107 m (measured), deepest dive — (modelled)Sep 29Oct 6, 2018 — seafloor 55 m (measured), deepest dive — (modelled)Oct 6

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
7
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. Not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Oct 6, 2018

measured
Seafloor depth
55 m
Sea-surface temperature
16.1°C
Distance from shore
2.0 km

Across the residency · 7 sightings

measured
Seafloor depth
53 m – 181 m
Sea-surface temperature
12.6°C – 17.0°C
Distance from shore
2.0 km – 15.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 7 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.